Advertisements
Advertisements
प्रश्न
Factorize `x^2 + 5sqrt5x + 30`
Advertisements
उत्तर
Splitting the middle term,
`= x^2 + 2sqrt5x + 3sqrt5x + 30` `[∵ 5sqrt5 = 2sqrt5 + 3sqrt5 " also " 2sqrt5 xx sqrt3 = 30]`
`= x(x + 2sqrt5) + 3sqrt5(x + 2sqrt5)`
`= (x + 2sqrt5)(x + 3sqrt5)`
`∴ x^2 + 5sqrt5x + 30 = (x + 2sqrt5)(x + 3sqrt5)`
shaalaa.com
क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
APPEARS IN
संबंधित प्रश्न
Factorize : x2 + y - xy - x
Factorize a2 + 2ab + b2 - c2
Factorize `2x^2 + 3sqrt5x + 5`
Factorize the following expressions
8x3 y3 + 27a3
`1/27 x^3 - y^3 + 125z^3 + 5xyz`
If x2 + y2 = 29 and xy = 2, find the value of x4 + y4 .
What must be added to the following expression to make it a whole square?
4x2 − 12x + 7
Multiply: (x - a)(x + 3b)
Divide: 9x2 - 24xy + 16y2 by 3x- 4y
In the formula, area of circle = πr2, the numerical constant of the expression πr2 is ______.
